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Strontium Oxide (SrO)-Granules

Strontium Oxide (SrO)-Granules

CAS: 1314-11-0
Molecular Formula: SrO
Purity: 99.5%
Products Code: TR380800GN
Specification Model: 2 mm - 8 mm
EINECS No.: 215-219-9
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Strontium Oxide (SrO)-Granules introduce:


Strontium oxide or strontia, SrO, is formed when strontium reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide and strontium nitride. It also forms from the decomposition of strontium carbonate SrCO3. It is a strongly basic oxide.

Chemical formula:SrO

Molar mass:103.619 g/mol

Appearance:colorless cubic crystals

Density:4.70 g/cm3

Melting point:2,531 °C (4,588 °F; 2,804 K)

Boiling point:3,200 °C (5,790 °F; 3,470 K) (decomposes)

Solubility in water:reacts, forms Sr(OH)2

Solubility:miscible with potassium hydroxide

            slightly soluble in alcohol

            insoluble in acetone and ether

Magnetic susceptibility (χ):−35.0·10−6 cm3/mol

Refractive index (nD):1.810


About 8% by weight of cathode ray tubes is strontium oxide, which has been the major use of strontium since 1970. Color televisions and other devices containing color cathode ray tubes sold in the United States are required by law to use strontium in the faceplate to block X-ray emission (these X-ray emitting TVs are no longer in production). Lead(II) oxide can be used in the neck and funnel, but causes discoloration when used in the faceplate.
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